Tag: tappet

Electric vehicles and aircraft may be the future, but how will we create the energy to power them while minimizing environmental damage? By Dean Sigler.

Jim Weir describes how he built the airframe structure of his new-and-improved wind tee.

Chuck Berthe puts Team Tango’s Foxtrot 4 through its paces, and finds it to be a capable aircraft with the potential to be even better as the design is refined.

Three battery problems lead to accidents.